CN213202230U - Lifting device - Google Patents

Abstract

The utility model relates to the technical field of warehousing, and particularly discloses a lifting device, which comprises a first fixed plate, a guide support, a second fixed plate, a lifting assembly and a power assembly, wherein the first fixed plate, the guide support and the second fixed plate are fixedly connected from top to bottom in sequence; the lifting assembly comprises at least two groups of guide mechanisms arranged at intervals, each group of guide mechanisms comprises two guide wheels capable of rolling along two guide columns respectively, an annular groove is formed in the circumferential direction of each guide wheel, the annular groove is attached to the guide columns, and the power assembly is in transmission connection with the lifting assembly and used for providing power for lifting of the lifting assembly. The utility model discloses a setting of leading wheel restriction lifting unit degree of freedom, simple to operate, it is with low costs, and need not to add other guiding parts and can carry out the direction with high accuracy.

Description

Lifting device

Technical Field

The utility model relates to a storage technical field especially relates to a hoisting device.

Background

The lifting device is mainly used for lifting and carrying the goods in the warehousing system. In patent CN201080015324.2, a lifting device is described, in which the guide mechanism is provided with a plurality of parts for limiting, so that the cost is increased. In other existing lifting devices, a single guide post or a plurality of guide posts are arranged, and the single guide post is arranged, so that a gap is formed between the sliding block and the guide post, the sliding block can shake in the movement process, and other guide parts are required to be added to improve the guide precision; and a plurality of guide columns are arranged, so that the manufacturing and installation cost of the equipment is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the lifting device is provided to solve the problems that the cost is high and other guide components need to be added to improve the guide precision in the related art.

The utility model provides a lifting device, which comprises a first fixed plate, a guide bracket, a second fixed plate, a lifting component and a power component, wherein the first fixed plate, the guide bracket and the second fixed plate are fixedly connected from top to bottom in sequence; the lifting component comprises at least two groups of guide mechanisms arranged at intervals, each group of guide mechanisms comprises two guide wheels which can be respectively arranged along two rolling guide posts, an annular groove is formed in the circumferential direction of each guide wheel, the annular groove is attached to the guide posts, and the power component is in transmission connection with the lifting component and used for providing power for lifting of the lifting component.

Optionally, the lifting assembly comprises a lifting plate, the guide wheels are arranged on two sides of the lifting plate, and the guide wheels on two sides can roll along the outer sides of the two guide columns respectively.

Optionally, the cross-sectional shape of the guide post is a semicircle, the cross-sectional shape of the annular groove is also a semicircle, the diameter size of the guide post is the same as that of the annular groove, and the guide wheel is matched with the guide post through the annular groove.

Optionally, power component includes power supply and drive assembly, the power supply set up in the second fixed plate, drive assembly include with the action wheel that the power supply transmission is connected, set up in first fixed plate from the driving wheel and around locating the action wheel with from the driving medium of driving wheel, the driving medium with lift assembly connects, is used for driving lift assembly is elevating movement.

Optionally, the lifting assembly further comprises a tensioning mechanism arranged on the lifting plate, one end of the transmission member is fixedly connected with the lifting plate, and the other end of the transmission member is connected with the tensioning mechanism.

Optionally, the tensioning mechanism comprises a fixing piece and a connecting piece, the other end of the transmission piece is fixedly connected with the connecting piece, the connecting piece and the fixing piece are fixedly connected with the lifting plate, and the distance between the connecting piece and the fixing piece is adjustable.

Optionally, the tensioning mechanism further comprises a pressing plate, the other end of the transmission member is located between the pressing plate and the connecting member, and the pressing plate is screwed with the connecting member.

Optionally, the lifting device further includes a buffer member, the buffer member is respectively disposed on the first fixing plate and the second fixing plate, and the buffer member can abut against the lifting assembly.

Optionally, the guide bracket includes a first flat plate, a second flat plate and a third flat plate which are sequentially connected in a U-shaped structure, and the guide post is disposed on one side of the second flat plate away from the opening of the U-shaped structure.

Optionally, rib plates are arranged between the first fixing plate and the guide bracket and between the second fixing plate and the guide bracket.

The utility model has the advantages that:

the utility model provides a lifting device, this lifting device adopts two guide posts that parallel on the guide rail to provide the direction for elevating assembly, intensity is high and simple to operate, guiding mechanism's leading wheel is equipped with the ring channel, roll along the guide post through two sets of (four) leading wheels, can inject about elevating assembly with the degree of freedom of four directions in the front and back for elevating assembly's lift process is steady, do not have and rock, should set up simple to operate, and is with low costs, and need not to add other leading parts and can carry out the direction with high precision.

Drawings

Fig. 1 is a schematic structural diagram of a lifting device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lifting device in an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a schematic view of the connection between the power module and the driving wheel;

fig. 6 is a third schematic structural view of the lifting device in the embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 4 at C;

fig. 8 is a fourth schematic structural view of the lifting device in the embodiment of the present invention.

In the figure:

1. a first fixing plate; 2. a guide bracket; 3. a second fixing plate; 4. a lifting assembly; 5. a power assembly; 6. a tensioning mechanism; 7. a buffer member;

21. a guide post; 22. a rib plate;

41. a lifting plate; 42. a guide wheel;

51. a power source; 52. a driving wheel; 53. a driven wheel; 54. a transmission member;

61. a fixing member; 62. a connecting member; 63. pressing a plate; 64. and adjusting the bolt.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Fig. 1 is a first schematic structural view of a lifting device in an embodiment of the present invention, fig. 2 is a second schematic structural view of the lifting device in an embodiment of the present invention, and fig. 3 is a cross-sectional view along a B-B direction in fig. 2. As shown in fig. 1-3, the present embodiment provides a lifting device, which includes a first fixing plate 1, a guiding bracket 2, a second fixing plate 3, a lifting assembly 4 and a power assembly 5, wherein the first fixing plate 1, the guiding bracket 2 and the second fixing plate 3 are fixedly connected in sequence from top to bottom, the guiding bracket 2 is provided with a guide rail, and the guide rail includes two parallel guiding pillars 21; lifting unit 4 includes the guiding mechanism that two at least groups intervals set up, and every guiding mechanism of group includes that two can follow two guide pulleys 42 that guide post 21 is rolling respectively, and the circumference of guide pulley 42 is equipped with the ring channel, and the ring channel is laminated with guide post 21, and power component 5 is connected with lifting unit 4 transmission for provide power for lifting unit 4's lift.

This embodiment adopts two guide posts 21 that parallel on the guide rail to provide the direction for lifting unit 4, and intensity is high and simple to operate, and guiding mechanism's leading wheel 42 is equipped with the ring channel, rolls along guide post 21 through at least two sets of (four) leading wheels 42, can inject lifting unit 4 about with the degree of freedom of four directions in front and back for lifting unit 4's lift process is steady, do not have and rock. The embodiment is suitable for occasions needing high-precision lifting functions, such as intelligent pharmacy medicine lifting and carrying.

Of course, in other embodiments, the guiding mechanism may also be a slider that can cooperate with the guiding post 21.

Regarding the matching position of the guide wheels 42 and the guide posts 21, in the embodiment, specifically, the lifting assembly 4 includes the lifting plate 41, the guide wheels 42 are disposed on two sides of the lifting plate 41, and the guide wheels 42 on the two sides can roll along the outer sides of the two guide posts 21 respectively. On one hand, the guide rail with smaller distance between the guide columns 21 can be selected, so that the size of the guide bracket 2 can be reduced, and the material cost is reduced; on the other hand, the installation process has large operable space and is convenient to operate, so that the lifting component 4 is more convenient and quicker to install. Optionally, the guide wheel 42 is disposed on one side of the lifting plate 41 close to the guide column 21 through a countersunk through hole of the lifting plate 41, that is, the guide wheel 42 is disposed on the back side of the lifting plate 41, the shielded area of the lifting plate 41 is small, the usable area is large, and the mounting hole or the adapter plate can be customized according to the requirements of the fork or other picking mechanisms.

In this embodiment, the longitudinal cross-sectional shape of the guide post 21 is rectangular, the transverse cross-sectional shape of the guide post 21 is semicircular, the cross-sectional shape of the annular groove along the radial direction of the guide wheel 42 is also semicircular, the diameter size of the guide post 21 is the same as that of the annular groove, and the guide wheel 42 is engaged with the guide post 21 through the annular groove. This arrangement facilitates the machining and precise fitting of the guide wheel 42 and the guide post 21.

Further, the guide rail still includes that the radial direction of guide post mounting bracket guide post 21 is equipped with the countersunk head through-hole, and the screw passes behind the countersunk head through-hole can be fixed in the guide post mounting bracket with guide post 21, then assembles guide post mounting bracket in guide bracket 2. The guide post mounting frame with the guide posts 21 mounted thereon is assembled on the guide support 2, so that the parallelism debugging of the two rails 21 is avoided, and the assembly efficiency is improved.

Regarding the cross-sectional shape of the guide post 21, in other embodiments, it may be triangular, trapezoidal, or other shapes as long as it is ensured that the guide post 21 and the guide wheel 42 are in line contact, and the line contact is non-linear contact.

Fig. 4 is a partially enlarged view of a portion a in fig. 1, and fig. 5 is a schematic view of a connection between a power assembly and a driving wheel. Referring to fig. 4-5, in an embodiment, the power assembly 5 includes a power source 51 and a transmission assembly, the power source 51 is disposed on the second fixing plate 3, the transmission assembly includes a driving wheel 52 in transmission connection with the power source 51, a driven wheel 53 disposed on the first fixing plate 1, and a transmission member 54 wound around the driving wheel 52 and the driven wheel 53, and the transmission member 54 is connected to the lifting assembly 4 for driving the lifting assembly 4 to move up and down. As for the power source 51, in the present embodiment, it may be a motor, and the lifting motion of the lifting assembly 4 is realized by the positive and negative rotation of the motor. In this embodiment, the driven wheel 53 is mounted on the first fixing plate 1 through a fixing seat. In this embodiment, the transmission member 54 is a timing belt, and the driving pulley 52 and the driven pulley 53 are both timing pulleys. Of course, in other embodiments, the transmission member 54 may be a chain, and the driving wheel 52 and the driven wheel 53 are both chain wheels.

Fig. 6 is a third schematic structural view of the lifting device in the embodiment of the present invention, and fig. 7 is a partial enlarged view of a position C in fig. 4. Referring to fig. 6-7, the lifting assembly 4 preferably further includes a tensioning mechanism 6 disposed on the lifting plate 41, one end of the transmission member 54 is fixedly connected to the lifting plate 41, and the other end of the transmission member 54 is connected to the tensioning mechanism 6. The tensioning mechanism 6 is arranged to keep the transmission member 54 in a tensioned state, which is beneficial to maintaining the accuracy of the lifting assembly 4 in the lifting process. Regarding the arrangement of the tensioning mechanism 6 in the present embodiment, specifically, the tensioning mechanism 6 includes a fixing member 61 and a connecting member 62, the other end of the transmission member 54 is fixedly connected to the connecting member 62, both the connecting member 62 and the fixing member 61 are fixedly connected to the lifting plate 41, and the distance between the connecting member 62 and the fixing member 61 is adjustable. Preferably, the connecting member 62 is provided with two slotted holes with lengths extending along the direction of the guide column 21, and the first bolt can pass through the slotted holes to fix the connecting member 62 to the lifting plate 41; the fixing member 61 is fixedly connected with the lifting plate 41 and is provided with a circular hole with an axis extending along the direction of the guide post 21, and the adjusting bolt 64 penetrates through the circular hole and is in threaded connection with the connecting member 62 to adjust the distance between the connecting member 62 and the fixing member 61 so as to tension the transmission member 54. The device has the advantages of simple structure, low cost and small occupied volume.

When the tensioning mechanism 6 needs to be adjusted, the first bolt for fixing the connecting piece 62 is loosened, the adjusting bolt 64 and the threaded hole of the connecting piece 62 are relatively rotated by screwing the adjusting bolt 64, and due to the arrangement of the waist-shaped hole, the connecting piece 62 can slide along the first bolt and approach the fixing piece 61, so that the transmission piece 54 fixed on the connecting piece 62 is tensioned; after the adjusting transmission member 54 is tensioned, the first bolt is reversely screwed to fix the connecting member 62 to the lifting plate 41. Optionally, in this embodiment, the number of the waist-shaped holes is two, and the extending directions are the same.

Regarding the connection manner of the transmission member 54 and the connection member 62, in the present embodiment, optionally, the tensioning mechanism 6 further includes a pressing plate 63, the other end of the transmission member 54 is located between the pressing plate 63 and the connection member 62, and the pressing plate 63 is screwed with the connection member 62. The arrangement is screwed to the connector 62 by screws passing through the pressure plate 63 to compress the transmission member 54 between the pressure plate 63 and the connector 62. Similarly, the transmission member 54 and the lifting plate 41 may be connected by pressing the transmission member 54 between the pressing plate 63 and the lifting plate 41 by the pressing plate 63.

The lifting device further comprises a buffer member 7, the buffer member 7 is respectively arranged on the first fixing plate 1 and the second fixing plate 3, and the buffer member 7 can abut against the lifting assembly 4. Specifically, the buffer members 7 are provided with two sets, the two sets of buffer members 7 are respectively arranged on the first fixing plate 1 and the second fixing plate 3, and the two sets of buffer members 7 can be abutted to the lifting assembly 4. The lifting assembly 4 is prevented from being in rigid contact with the first fixing plate 1 or the second fixing plate 3. In this embodiment, the number of each group of buffering members 7 is at least two, and each group of buffering members 7 is symmetrically disposed on the first fixing plate 1 and the second fixing plate 3, so that the stress can be balanced during buffering. Further, the buffer 7 is an elastic pad, and specifically may be a polyurethane pad. Each polyurethane cushion block is connected with the first fixing plate 1 and the second fixing plate 3 in a bonding mode. This set up buffering effect and can adjust according to the size and the quantity of polyurethane piece, simple to operate, with low costs, and the structure size is little, and occupation space is little.

Regarding the structure of the guide bracket 2, in this embodiment, the guide bracket 2 includes a first flat plate, a second flat plate and a third flat plate which are connected in sequence in a U-shaped structure, and the guide column 21 is disposed on one side of the second flat plate far away from the opening of the U-shaped structure. In this embodiment, guide bracket 2 can be the channel-section steel, also can be the C type panel beating piece of bending. This arrangement enables the bolt connecting the guide post 21 to be located in the opening, making the overall structure compact.

Fig. 8 is a fourth schematic structural view of the lifting device in the embodiment of the present invention. Referring to fig. 8, in order to reinforce the installation strength of the first fixing plate 1 and the second fixing plate 3, rib plates 22 are disposed between the first fixing plate 1 and the guide bracket 2 and between the second fixing plate 3 and the guide bracket 2. Specifically, in this embodiment, the rib 22 is disposed on one side of the first flat plate close to the third flat plate or on one side of the third flat plate close to the first flat plate. In this embodiment, the tail of the bolt for fixing the rib plate 22 is located in the opening of the U-shaped structure, so that the whole structure is compact.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A lifting device is characterized by comprising a first fixing plate (1), a guide support (2), a second fixing plate (3), a lifting assembly (4) and a power assembly (5), wherein the first fixing plate (1), the guide support (2) and the second fixing plate (3) are fixedly connected in sequence from top to bottom, the guide support (2) is provided with a guide rail, and the guide rail comprises two guide columns (21) which are parallel; lifting unit (4) are including the guiding mechanism that two at least groups intervals set up, every group guiding mechanism includes that two can follow respectively two guide post (21) rolling leading wheel (42), the circumference of leading wheel (42) is equipped with the ring channel, the ring channel with guide post (21) laminating, power component (5) with lifting unit (4) transmission is connected, is used for doing lifting unit (4) goes up and down to provide power.

2. The lifting device according to claim 1, characterized in that the lifting assembly (4) comprises a lifting plate (41), the guide wheels (42) are arranged on both sides of the lifting plate (41), and the guide wheels (42) on both sides can roll along the outer sides of the two guide posts (21), respectively.

3. A lifting device according to claim 2, characterized in that the cross-sectional shape of the guide post (21) is semicircular, the cross-sectional shape of the annular groove is also semicircular, the diameter dimension of the guide post (21) is the same as the diameter dimension of the annular groove, and the guide wheel (42) cooperates with the guide post (21) through the annular groove.

4. The lifting device according to claim 2, wherein the power assembly (5) comprises a power source (51) and a transmission assembly, the power source (51) is disposed on the second fixing plate (3), the transmission assembly comprises a driving wheel (52) in transmission connection with the power source (51), a driven wheel (53) disposed on the first fixing plate (1), and a transmission member (54) wound around the driving wheel (52) and the driven wheel (53), and the transmission member (54) is connected with the lifting assembly (4) and used for driving the lifting assembly (4) to perform lifting movement.

5. The lifting device according to claim 4, characterized in that the lifting assembly (4) further comprises a tensioning mechanism (6) arranged on the lifting plate (41), one end of the transmission member (54) is fixedly connected with the lifting plate (41), and the other end of the transmission member (54) is connected with the tensioning mechanism (6).

6. A lifting device according to claim 5, characterised in that the tensioning mechanism (6) comprises a fixing member (61) and a connecting member (62), the other end of the transmission member (54) is fixedly connected with the connecting member (62), the connecting member (62) and the fixing member (61) are both fixedly connected with the lifting plate (41), and the distance between the connecting member (62) and the fixing member (61) is adjustable.

7. A lifting device according to claim 6, characterised in that the tensioning mechanism (6) further comprises a pressure plate (63), the other end of the transmission element (54) being located between the pressure plate (63) and the connecting element (62), the pressure plate (63) being in threaded connection with the connecting element (62).

8. The lifting device according to claim 1, characterized in that it further comprises a buffer (7), said buffer (7) being respectively provided on said first fixing plate (1) and said second fixing plate (3), said buffer (7) being capable of abutting against said lifting assembly (4).

9. A lifting device according to claim 1, characterized in that the guide bracket (2) comprises a first plate, a second plate and a third plate which are connected in sequence in a U-shaped configuration, and the guide post (21) is arranged on the side of the second plate which is far away from the opening of the U-shaped configuration.

10. The lifting device according to claim 1, characterized in that rib plates (22) are provided between the first fixing plate (1) and the guide bracket (2) and between the second fixing plate (3) and the guide bracket (2).

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